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29748889 = 1910714633
BaseRepresentation
bin111000101111…
…0111010011001
32001222101210201
41301132322121
530103431024
62541342201
7510601312
oct161367231
961871721
1029748889
1115879865
129b67961
1362178c1
143d45609
152929744
hex1c5ee99

29748889 has 8 divisors (see below), whose sum is σ = 31609440. Its totient is φ = 27917856.

The previous prime is 29748881. The next prime is 29748923. The reversal of 29748889 is 98884792.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29748889 - 23 = 29748881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29748881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5284 + ... + 9349.

It is an arithmetic number, because the mean of its divisors is an integer number (3951180).

Almost surely, 229748889 is an apocalyptic number.

It is an amenable number.

29748889 is a deficient number, since it is larger than the sum of its proper divisors (1860551).

29748889 is a wasteful number, since it uses less digits than its factorization.

29748889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14759.

The product of its digits is 2322432, while the sum is 55.

The square root of 29748889 is about 5454.2542111640. The cubic root of 29748889 is about 309.8538645246.

The spelling of 29748889 in words is "twenty-nine million, seven hundred forty-eight thousand, eight hundred eighty-nine".

Divisors: 1 19 107 2033 14633 278027 1565731 29748889